自学教程：C++ GetNextSibling函数代码示例

wxTreeItemId CLocalTreeView::GetNearestParent(wxString& localDir){	const wxString separator = wxFileName::GetPathSeparator();#ifdef __WXMSW__	int pos = localDir.Find(separator);	if (pos == -1)		return wxTreeItemId();	wxString drive = localDir.Left(pos);	localDir = localDir.Mid(pos + 1);	wxTreeItemIdValue value;	wxTreeItemId root = GetFirstChild(m_drives, value);	while (root)	{		if (!GetItemText(root).Left(drive.Length()).CmpNoCase(drive))			break;		root = GetNextSibling(root);	}	if (!root)	{		if (drive[1] == ':')			return AddDrive(drive[0]);		return wxTreeItemId();	}#else		if (localDir[0] == '/')			localDir = localDir.Mid(1);		wxTreeItemId root = GetRootItem();#endif	while (localDir != _T(""))	{		wxString subDir;		int pos = localDir.Find(separator);		if (pos == -1)			subDir = localDir;		else			subDir = localDir.Left(pos);		wxTreeItemId child = GetSubdir(root, subDir);		if (!child)			return root;		if (!pos)			return child;		root = child;		localDir = localDir.Mid(pos + 1);	}	return root;}

void CGuiWidget::ResetAllAnimUpdateState(){    if (xb0_animController)        xb0_animController->ResetListUpdateState();    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->ResetAllAnimUpdateState();    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->ResetAllAnimUpdateState();}

void CGuiWidget::SetAnimUpdateState(EGuiAnimBehListID id, bool state){    if (xb0_animController)        xb0_animController->SetListUpdateState(id, state);    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->SetAnimUpdateState(id, state);    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->SetAnimUpdateState(id, state);}

void CGuiWidget::InitializeAnimControllers(EGuiAnimBehListID id, float fval, bool flag,                                           EGuiAnimInitMode initMode){    if (xb0_animController)        xb0_animController->InitTransform(this, id, fval, flag, initMode);    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->InitializeAnimControllers(id, fval, flag, initMode);    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->InitializeAnimControllers(id, fval, flag, initMode);}

void CGuiWidget::RecalculateAllRGBA(){    CGuiWidget* parent = static_cast<CGuiWidget*>(GetParent());    if (parent)        ModifyRGBA(parent);    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->RecalculateAllRGBA();    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->RecalculateAllRGBA();}

nsTableCellFrame*  nsTableCellFrame::GetNextCell() const{  nsIFrame* childFrame = GetNextSibling();  while (childFrame) {    if (IS_TABLE_CELL(childFrame->GetType())) {      return (nsTableCellFrame*)childFrame;    }    childFrame = childFrame->GetNextSibling();  }  return nsnull;}

nsTableColFrame*  nsTableColFrame::GetNextCol() const{  nsIFrame* childFrame = GetNextSibling();  while (childFrame) {    if (nsGkAtoms::tableColFrame == childFrame->GetType()) {      return (nsTableColFrame*)childFrame;    }    childFrame = childFrame->GetNextSibling();  }  return nullptr;}

NS_IMETHODIMPCompositionTransaction::DoTransaction() {  if (NS_WARN_IF(!mEditorBase)) {    return NS_ERROR_NOT_INITIALIZED;  }  // Fail before making any changes if there's no selection controller  nsCOMPtr<nsISelectionController> selCon;  mEditorBase->GetSelectionController(getter_AddRefs(selCon));  NS_ENSURE_TRUE(selCon, NS_ERROR_NOT_INITIALIZED);  // Advance caret: This requires the presentation shell to get the selection.  if (mReplaceLength == 0) {    ErrorResult rv;    mTextNode->InsertData(mOffset, mStringToInsert, rv);    if (NS_WARN_IF(rv.Failed())) {      return rv.StealNSResult();    }    mEditorBase->RangeUpdaterRef().SelAdjInsertText(*mTextNode, mOffset,                                                    mStringToInsert);  } else {    uint32_t replaceableLength = mTextNode->TextLength() - mOffset;    ErrorResult rv;    mTextNode->ReplaceData(mOffset, mReplaceLength, mStringToInsert, rv);    if (NS_WARN_IF(rv.Failed())) {      return rv.StealNSResult();    }    mEditorBase->RangeUpdaterRef().SelAdjDeleteText(mTextNode, mOffset,                                                    mReplaceLength);    mEditorBase->RangeUpdaterRef().SelAdjInsertText(*mTextNode, mOffset,                                                    mStringToInsert);    // If IME text node is multiple node, ReplaceData doesn't remove all IME    // text.  So we need remove remained text into other text node.    if (replaceableLength < mReplaceLength) {      int32_t remainLength = mReplaceLength - replaceableLength;      nsCOMPtr<nsINode> node = mTextNode->GetNextSibling();      while (node && node->IsText() && remainLength > 0) {        Text* text = static_cast<Text*>(node.get());        uint32_t textLength = text->TextLength();        text->DeleteData(0, remainLength, IgnoreErrors());        mEditorBase->RangeUpdaterRef().SelAdjDeleteText(text, 0, remainLength);        remainLength -= textLength;        node = node->GetNextSibling();      }    }  }  nsresult rv = SetSelectionForRanges();  NS_ENSURE_SUCCESS(rv, rv);  return NS_OK;}

void CGuiWidget::RegisterEventHandler(){    bool flag = DoRegisterEventHandler();    if (!flag)    {        CGuiWidget* ch = static_cast<CGuiWidget*>(GetChildObject());        if (ch)            ch->RegisterEventHandler();    }    CGuiWidget* sib = static_cast<CGuiWidget*>(GetNextSibling());    if (sib && flag)        sib->RegisterEventHandler();}

void WatchWindow::UpdateItems(){    wxTreeItemIdValue cookie;    wxTreeItemId item = GetFirstChild(m_root, cookie);    while (item.IsOk())    {        UpdateItem(item);                item = GetNextSibling(item);    }}

nsIFrame*nsFrameIterator::GetFirstChild(nsIFrame* aFrame){  nsIFrame* result = GetFirstChildInner(aFrame);  if (mLockScroll && result && result->GetType() == nsGkAtoms::scrollFrame)    return nsnull;  if (result && mFollowOOFs) {    result = nsPlaceholderFrame::GetRealFrameFor(result);        if (IsPopupFrame(result))      result = GetNextSibling(result);  }  return result;}

voidLayer::Dump(FILE* aFile, const char* aPrefix){  DumpSelf(aFile, aPrefix);  if (Layer* kid = GetFirstChild()) {    nsCAutoString pfx(aPrefix);    pfx += "  ";    kid->Dump(aFile, pfx.get());  }  if (Layer* next = GetNextSibling())    next->Dump(aFile, aPrefix);}

voidwxTreeListCtrl::CheckItemRecursively(wxTreeListItem item, wxCheckBoxState state){    wxCHECK_RET( m_model, "Must create first" );    m_model->CheckItem(item, state);    for ( wxTreeListItem child = GetFirstChild(item);          child.IsOk();          child = GetNextSibling(child) )    {        CheckItemRecursively(child, state);    }}

voidLayer::Dump(FILE* aFile, const char* aPrefix, bool aDumpHtml){  if (aDumpHtml) {    fprintf_stderr(aFile, "<li><a id=/"%p/" ", this);#ifdef MOZ_DUMP_PAINTING    if (GetType() == TYPE_CONTAINER || GetType() == TYPE_THEBES) {      WriteSnapshotLinkToDumpFile(this, aFile);    }#endif    fprintf_stderr(aFile, ">");  }  DumpSelf(aFile, aPrefix);#ifdef MOZ_DUMP_PAINTING  if (gfxUtils::sDumpPainting && AsLayerComposite() && AsLayerComposite()->GetCompositableHost()) {    AsLayerComposite()->GetCompositableHost()->Dump(aFile, aPrefix, aDumpHtml);  }#endif  if (aDumpHtml) {    fprintf_stderr(aFile, "</a>");  }  if (Layer* mask = GetMaskLayer()) {    fprintf_stderr(aFile, "%s  Mask layer:/n", aPrefix);    nsAutoCString pfx(aPrefix);    pfx += "    ";    mask->Dump(aFile, pfx.get(), aDumpHtml);  }  if (Layer* kid = GetFirstChild()) {    nsAutoCString pfx(aPrefix);    pfx += "  ";    if (aDumpHtml) {      fprintf_stderr(aFile, "<ul>");    }    kid->Dump(aFile, pfx.get(), aDumpHtml);    if (aDumpHtml) {      fprintf_stderr(aFile, "</ul>");    }  }  if (aDumpHtml) {    fprintf_stderr(aFile, "</li>");  }  if (Layer* next = GetNextSibling())    next->Dump(aFile, aPrefix, aDumpHtml);}

void CGuiWidget::IsAllAnimsDone(EGuiAnimBehListID id, bool& isDone){    if (xb0_animController)    {        if (!isDone)            return;        xb0_animController->IsAnimsDone(id, isDone);    }    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->IsAllAnimsDone(id, isDone);    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->IsAllAnimsDone(id, isDone);}

void CGuiWidget::BroadcastMessage(int id, CGuiControllerInfo* info){    CGuiFuncParm a((intptr_t(x7c_selfId)));    CGuiFuncParm b((intptr_t(id)));    CGuiFunctionDef def(0, false, a, b);    MAF_SendMessage(&def, info);    CGuiWidget* ch = static_cast<CGuiWidget*>(GetChildObject());    if (ch)        ch->BroadcastMessage(id, info);    CGuiWidget* sib = static_cast<CGuiWidget*>(GetNextSibling());    if (sib)        sib->BroadcastMessage(id, info);}

void CGuiWidget::GetBranchAnimLen(EGuiAnimBehListID id, float& len){    if (xb0_animController)    {        float aLen = xb0_animController->GetAnimSetLength(id);        if (aLen > len)            len = aLen;    }    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)        child->GetBranchAnimLen(id, len);    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)        nextSib->GetBranchAnimLen(id, len);}

wxTreeItemId CocaSystemTree::findId( const void* nodePointer, wxTreeItemId id ) const{    if ( !id.IsOk() ) { return id; }    if ( nodePointer == getNode( id ) ) { return id; }    wxTreeItemIdValue cookie = 0;    id = GetFirstChild( id, cookie );    for ( ; id.IsOk(); id = GetNextSibling( id ) )    {        wxTreeItemId foundId = findId( nodePointer, id );        if ( foundId.IsOk() ) { return foundId; }    }    return id; // is invalid}

boolwxTreeListCtrl::AreAllChildrenInState(wxTreeListItem item,                                      wxCheckBoxState state) const{    wxCHECK_MSG( item.IsOk(), false, "Invalid item" );    for ( wxTreeListItem child = GetFirstChild(item);          child.IsOk();          child = GetNextSibling(child) )    {        if ( GetCheckedState(child) != state )            return false;    }    return true;}

nsSVGTSpanFrame::GetNextGlyphFrame(){  nsIFrame* sibling = GetNextSibling();  while (sibling) {    nsISVGGlyphFragmentNode *node = do_QueryFrame(sibling);    if (node)      return node->GetFirstGlyphFrame();    sibling = sibling->GetNextSibling();  }  // no more siblings. go back up the tree.    NS_ASSERTION(GetParent(), "null parent");  nsISVGGlyphFragmentNode *node = do_QueryFrame(GetParent());  return node ? node->GetNextGlyphFrame() : nullptr;}

PRBool nsSOAPUtils::HasChildElements(nsIDOMElement * aElement){  nsCOMPtr<nsIDOMNode> child;  aElement->GetFirstChild(getter_AddRefs(child));  while (child) {    PRUint16 type;    child->GetNodeType(&type);    if (nsIDOMNode::ELEMENT_NODE == type) {      return PR_TRUE;    }    nsCOMPtr<nsIDOMNode> temp = child;    GetNextSibling(temp, getter_AddRefs(child));  }  return PR_FALSE;}

nsIFrame*nsFrameIterator::GetNextSibling(nsIFrame* aFrame){  nsIFrame* result = nsnull;  if (mFollowOOFs)    aFrame = GetPlaceholderFrame(aFrame);  if (aFrame) {    result = GetNextSiblingInner(aFrame);    if (result && mFollowOOFs)      result = nsPlaceholderFrame::GetRealFrameFor(result);  }  if (mFollowOOFs && IsPopupFrame(result))    result = GetNextSibling(result);  return result;}

wxTreeItemId CLocalTreeView::GetSubdir(wxTreeItemId parent, const wxString& subDir){	wxTreeItemIdValue value;	wxTreeItemId child = GetFirstChild(parent, value);	while (child)	{#ifdef __WXMSW__		if (!GetItemText(child).CmpNoCase(subDir))#else		if (GetItemText(child) == subDir)#endif			return child;		child = GetNextSibling(child);	}	return wxTreeItemId();}

voidLayer::Log(const char* aPrefix){  if (!IsLogEnabled())    return;  LogSelf(aPrefix);  if (Layer* kid = GetFirstChild()) {    nsCAutoString pfx(aPrefix);    pfx += "  ";    kid->Log(pfx.get());  }  if (Layer* next = GetNextSibling())    next->Log(aPrefix);}

void CLocalTreeView::RemoveDrive(wxChar drive){	wxString driveName = drive;	driveName += _T(":");	wxTreeItemIdValue value;	wxTreeItemId driveItem = GetFirstChild(m_drives, value);	while (driveItem)	{		if (!GetItemText(driveItem).Left(2).CmpNoCase(driveName))			break;		driveItem = GetNextSibling(driveItem);	}	if (!driveItem)		return;	Delete(driveItem);}

voidnsContentSubtreeIterator::Next(){  if (mIsDone || !mCurNode)     return;  if (mCurNode == mLast)   {    mIsDone = PR_TRUE;    return;  }  nsINode *nextNode = GetNextSibling(mCurNode, nsnull);  NS_ASSERTION(nextNode, "No next sibling!?! This could mean deadlock!");/*  nextNode = GetDeepFirstChild(nextNode);  return GetTopAncestorInRange(nextNode, address_of(mCurNode));*/  PRInt32 i = mEndNodes.IndexOf(nextNode);  while (i != -1)  {    // as long as we are finding ancestors of the endpoint of the range,    // dive down into their children    nextNode = nextNode->GetChildAt(0);    NS_ASSERTION(nextNode, "Iterator error, expected a child node!");    // should be impossible to get a null pointer.  If we went all the way    // down the child chain to the bottom without finding an interior node,     // then the previous node should have been the last, which was    // was tested at top of routine.    i = mEndNodes.IndexOf(nextNode);  }  mCurNode = nextNode;  // This shouldn't be needed, but since our selection code can put us  // in a situation where mLast is in generated content, we need this  // to stop the iterator when we've walked past past the last node!  mIsDone = mCurNode == nsnull;  return;}

void SkillObjectTree::SelectElementItem(Ogre::StringInterface* element){	wxTreeItemId rootId = GetRootItem();	wxTreeItemIdValue idValue;	wxTreeItemId subId;	wxTreeItemId childId = GetFirstChild(rootId,idValue);	while(childId.IsOk())	{		SkillTreeItemData* pItemData = dynamic_cast<SkillTreeItemData*>(GetItemData(childId)); 		Ogre::StringInterface* pElement = (Ogre::StringInterface*)pItemData->GetData();		if(pItemData->GetDesc() == "Skill Element" && pElement == element)		{			this->SelectItem(childId);			this->Expand(childId);			return;		}		childId = GetNextSibling(childId);	}}

CGuiWidget* CGuiWidget::FindWidget(s16 id){    if (x7c_selfId == id)        return this;    CGuiWidget* child = static_cast<CGuiWidget*>(GetChildObject());    if (child)    {        CGuiWidget* found = child->FindWidget(id);        if (found)            return found;    }    CGuiWidget* nextSib = static_cast<CGuiWidget*>(GetNextSibling());    if (nextSib)    {        CGuiWidget* found = nextSib->FindWidget(id);        if (found)            return found;    }    return nullptr;}